FlexTrip Alerts

Flight price alerts: London → Sydney

Sample round trips on this route start around EUR 897; August 2026 is often the cheapest month in our next-3-month window. FlexTrip Alerts is a free email service — set flexible travel dates and a max price, and we notify you when a round trip fits. We check fares about four times per day; we do not sell tickets.

Set a free tracker with flexible dates and your max price. We email you only when a round trip fits.

Sample fares from EUR 897. Cheapest month in our next-3-month sample: August 2026.

Set an alert and we email you when a round trip drops under your limit.

Set a price alert

Round trips on this route

Cheapest-seen sample fares (next 3 months) — confirm the final price on the booking site when you click through.

Last updated .

  • Round trip · 14 nights
    Tue 25 Aug · 20:25
    Return Tue 08 Sept · 19:40

    EUR 897

    See deal
  • Round trip · 14 nights
    Wed 16 Sept · 09:45
    Return Wed 30 Sept · 20:35

    EUR 954

    See deal
  • Round trip · 19 nights
    Mon 07 Sept · 09:45
    Return Sat 26 Sept · 20:35

    EUR 971

    See deal
  • Round trip · 13 nights
    Wed 16 Sept · 09:45
    Return Tue 29 Sept · 20:35

    EUR 1037

    See deal
  • Round trip · 16 nights
    Sun 23 Aug · 20:25
    Return Tue 08 Sept · 21:00

    EUR 1080

    See deal
  • Round trip · 33 nights
    Tue 27 Oct · 21:20
    Return Sun 29 Nov · 07:55

    EUR 1089

    See deal
  • Round trip · 3 nights
    Mon 21 Sept · 13:35
    Return Thu 24 Sept · 20:50

    EUR 1115

    See deal
  • Round trip · 5 nights
    Mon 17 Aug · 11:35
    Return Sat 22 Aug · 10:05

    EUR 1130

    See deal
  • Round trip · 21 nights
    Fri 23 Oct · 11:00
    Return Fri 13 Nov · 11:25

    EUR 1137

    See deal
  • Round trip · 7 nights
    Wed 12 Aug · 07:05
    Return Wed 19 Aug · 11:00

    EUR 1180

    See deal
  • Round trip · 13 nights
    Thu 08 Oct · 13:50
    Return Wed 21 Oct · 12:00

    EUR 1193

    See deal
  • Round trip · 14 nights
    Fri 16 Oct · 07:05
    Return Fri 30 Oct · 16:50

    EUR 1218

    See deal
  • Round trip · 8 nights
    Fri 14 Aug · 06:20
    Return Sat 22 Aug · 20:35

    EUR 1358

    See deal

Frequently asked questions

How do I get email alerts when London to Sydney flights drop in price?
Create a free FlexTrip Alerts tracker for London (All Airports) (LON) to Sydney Kingsford Smith Airport (SYD). Choose your flexible departure window, stay length, and maximum price — we email you when a round trip fits.
Does FlexTrip Alerts book flights from London to Sydney?
No — we do not sell tickets. FlexTrip Alerts watches prices and emails you when a fare matches your plan. You book on the airline or travel site you prefer when you receive an alert.
Can I set flexible travel dates for London to Sydney alerts?
Yes. Pick a departure window (not one fixed day) and how many nights you can stay. We match round trips that fit your window, stay length, and max price — then email you when one qualifies.
How often does FlexTrip Alerts check London to Sydney fares?
We scan aggregated fares on a schedule — about four times per day (every ~6 hours, UTC). You can also trigger an on-demand check from your dashboard, with a short cooldown between manual refreshes.
What is the cheapest month to fly from London to Sydney?
Based on recent fare samples on this page, August 2026 is currently the cheapest month to fly from London to Sydney, with round trips from about EUR 897. Prices change — set an alert to catch the next drop.

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